InSendMessage function
Applies to: desktop apps only
Determines whether the current window procedure is processing a message that was sent from another thread (in the same process or a different process) by a call to the SendMessage function.
To obtain additional information about how the message was sent, use the InSendMessageEx function.
Syntax
BOOL WINAPI InSendMessage(void);
Parameters
This function has no parameters.
Return value
Type:
Type: BOOL
If the window procedure is processing a message sent to it from another thread using the SendMessage function, the return value is nonzero.
If the window procedure is not processing a message sent to it from another thread using the SendMessage function, the return value is zero.
Examples
For an example, see Sending a Message.
Requirements
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Minimum supported client | Windows 2000 Professional |
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Minimum supported server | Windows 2000 Server |
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Header |
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Library |
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See also
- Reference
- InSendMessageEx
- SendMessage
- Conceptual
- Messages and Message Queues
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Build date: 2/3/2012
[DllImport("user32.dll", CharSet=CharSet.Auto)]
internal static extern bool InSendMessage();
- 4/26/2009
- dmex
